package com.company.netease2018;

import java.util.Scanner;

public class second {

    public static void main(String[] args) {
        Scanner sc = new Scanner(System.in);
        int n = sc.nextInt();
        int L = sc.nextInt();
        int[] conns = new int[n - 1];
        for(int i = 0; i < n; i++){
            conns[i] = sc.nextInt();
        }
        int currCityNum = 0;
        for(int i = 0; i < L; i++){
        }
    }

}
